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Posted to users@spamassassin.apache.org by Alex Woick <al...@wombaz.de> on 2008/04/08 11:55:03 UTC

Efficiency of Bayes filter SA vs. Thunderbird

Almost all (>95%) of my spam is tagged as BAYES_99 by SA (which is 
great), but only  approx. 60% of my spam is classified as spam by my 
Thunderbird 2.0.0.12. Thunderbird also uses a a bayesian filtering 
system. I always learn all of my spam and all of my ham in both systems 
perhaps once a week, not only FP/FN.

I'm just curious: is there any explanation for this big difference? Why 
is the SA implementation that much better? One year ago Thunderbird 
scored much better than nowadays, while SA is still at maximum efficiency.

Tschau
Alex